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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a problem of which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a problem of which" is correct and usable in written English.
It can be used when referring to a specific problem that has been previously mentioned or is known in the context. Example: "There is a problem of which we need to be aware before proceeding with the project."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
5 human-written examples
It is a problem of which the mental health charity Mind is aware.
News & Media
The American government lists 74 countries in which physical security is a problem, of which 34 endure actual civil war or rebel insurgency.
News & Media
Behavioral observation has the advantage, over other forms of assessment, of being able to identify behaviours or other features of a problem of which a client may be unaware.
Encyclopedias
Establishing a culture in which the metrics of successful governance are valued, discussed and evaluated is a vital step toward addressing a problem of which the current president's management troubles is but a symptom.
News & Media
"There's also no word for dementia in any of the five major south Asian languages, so one of the biggest barriers was trying to address a problem of which most people didn't have any concept". Instead of talking about dementia, the project hit on the idea of discussing memory loss, and Meri Yaadain - which translates as My Memory - was born.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"It is a problem of apartheid, which we are resolving," he said this year.
News & Media
There's a problem, of course, which is that the structure of the social network is hidden to ordinary users.
News & Media
If for all, where is a function, then the problem (1.1) becomes a problem of finding which is a solution of the following minimization problem: (1.3).
We can still identify a problem of realism which has to do with phenomenal color, and why think that conceptual analysis is relevant to that?
Science
Crudely speaking, it is a problem of ignorance, which in a crucial sense is a concomitant of the expansion of knowledge [33].
It is a degrading violation of individuals' rights to privacy, treats athletes like second-class citizens and makes them the scapegoats for a national problem of which they are only a symptom.
News & Media
Expert writing Tips
Best practice
Use "a problem of which" in formal writing or when you want to emphasize a connection or relationship between the problem and something previously mentioned. This construction is often found in academic papers, reports, and legal documents.
Common error
Avoid using "a problem of which" in informal contexts, as it can sound overly formal or pretentious. In casual conversation or less formal writing, simpler alternatives like "a problem that" or "a problem about" are often more appropriate.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
"A problem of which" functions as a relative clause, connecting a problem to a noun or noun phrase previously mentioned. It establishes a relationship between the problem and its context, often in formal writing. Ludwig AI confirms the phrase is usable in written English, though it offers simpler alternatives.
Frequent in
News & Media
40%
Science
40%
Formal & Business
20%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "a problem of which" is a grammatically sound phrase primarily used in formal contexts to link a problem to a preceding noun or noun phrase. While Ludwig AI confirms its validity, simpler alternatives like "a problem that" may be more appropriate for informal settings. The phrase frequently appears in news, media and scientific sources. When aiming for clarity and precision in formal writing, "a problem of which" can be a useful tool, but always consider the audience and context to ensure the tone remains appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a problem concerning which
Replaces 'of which' with 'concerning which', adding a slightly more formal tone.
a problem about which
Substitutes 'of which' with 'about which', creating a slightly more conversational feel.
a problem that
Simplifies the structure by using 'that' instead of 'of which', making the sentence more direct.
a problem regarding which
Replaces 'of which' with 'regarding which', introducing a more technical or official tone.
a problem related to which
Uses 'related to which' in place of 'of which', emphasizing the connection or association.
a problem where
Replaces 'of which' with 'where', which is less formal but can work in certain contexts.
a challenge of which
Substitutes "problem" with "challenge", emphasizing the difficulty rather than the issue itself.
an issue of which
Replaces "problem" with "issue", softening the tone and making it less severe.
a difficulty of which
Substitutes "problem" with "difficulty", highlighting the struggle or complexity involved.
a matter of which
Replaces "problem" with "matter", presenting it as something to be considered or addressed.
FAQs
How can I use "a problem of which" in a sentence?
You can use "a problem of which" to connect a problem to a previously mentioned subject. For example, "There is a technical issue, "a problem of which" the team is already aware".
What are some alternatives to "a problem of which"?
Alternatives include "a problem that", "a problem about which", or simply restructuring the sentence for clarity.
Is "a problem of which" considered formal or informal?
"A problem of which" is generally considered a formal construction, best suited for academic, legal, or technical writing. Simpler alternatives are more appropriate for informal contexts.
When is it best to use "a problem of which" over other options?
Use "a problem of which" when you want to maintain a formal tone and clearly establish a connection between the problem and a specific antecedent. For example, if you need to be precise in a legal document.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested